Vulnerability Name:

CVE-2012-2472 (CCN-77456)

Assigned:2012-07-24
Published:2012-07-24
Updated:2012-08-07
Summary:Cisco Adaptive Security Appliances (ASA) 5500 series devices with software 8.2 and 8.4, when SIP inspection is enabled, create many identical pre-allocated secondary pinholes, which might allow remote attackers to cause a denial of service (CPU consumption) via crafted SIP traffic, aka Bug ID CSCtz63143.
CVSS v3 Severity:5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Low
CVSS v2 Severity:7.8 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C)
5.8 Medium (Temporal CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
4.3 Medium (CCN CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P)
3.2 Low (CCN Temporal CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-399
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2012-2472

Source: CCN
Type: Cisco Web site
Release Notes for the Cisco ASA 5500 Series, 8.4(x)

Source: CONFIRM
Type: Vendor Advisory
http://www.cisco.com/en/US/docs/security/asa/asa84/release/notes/asarn84.html

Source: CCN
Type: OSVDB ID: 84509
Cisco Adaptive Security Appliances (ASA) SIP Inspection Identical Pre-allocated Secondary Pinholes SIP Traffic Parsing Remote DoS

Source: CCN
Type: BID-54836
Cisco ASA 5500 Series SIP Traffic CVE-2012-2472 Denial of Service Vulnerability

Source: XF
Type: UNKNOWN
ciscoasa-sip-inspection-dos(77456)

Vulnerable Configuration:Configuration 1:
  • cpe:/a:cisco:adaptive_security_appliance_software:8.2:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:adaptive_security_appliance_software:8.2(1):*:*:*:*:*:*:*
  • OR cpe:/a:cisco:adaptive_security_appliance_software:8.2(2):*:*:*:*:*:*:*
  • OR cpe:/a:cisco:adaptive_security_appliance_software:8.2(3):*:*:*:*:*:*:*
  • OR cpe:/a:cisco:adaptive_security_appliance_software:8.2(3.9):*:*:*:*:*:*:*
  • OR cpe:/a:cisco:adaptive_security_appliance_software:8.2(4):*:*:*:*:*:*:*
  • OR cpe:/a:cisco:adaptive_security_appliance_software:8.2(4.1):*:*:*:*:*:*:*
  • OR cpe:/a:cisco:adaptive_security_appliance_software:8.2(4.4):*:*:*:*:*:*:*
  • OR cpe:/a:cisco:adaptive_security_appliance_software:8.2(5):*:*:*:*:*:*:*
  • OR cpe:/a:cisco:adaptive_security_appliance_software:8.2.1:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:adaptive_security_appliance_software:8.2.2:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:adaptive_security_appliance_software:8.2.2:interim:*:*:*:*:*:*
  • OR cpe:/a:cisco:adaptive_security_appliance_software:8.2.3:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:adaptive_security_appliance_software:8.4:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:adaptive_security_appliance_software:8.4(1):*:*:*:*:*:*:*
  • OR cpe:/a:cisco:adaptive_security_appliance_software:8.4(1.11):*:*:*:*:*:*:*
  • OR cpe:/a:cisco:adaptive_security_appliance_software:8.4(2):*:*:*:*:*:*:*
  • OR cpe:/a:cisco:adaptive_security_appliance_software:8.4(2.11):*:*:*:*:*:*:*
  • AND
  • cpe:/h:cisco:5500_series_adaptive_security_appliance:*:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/h:cisco:5500_series_adaptive_security_appliance:*:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:adaptive_security_appliance_software:8.2(1):*:*:*:*:*:*:*
  • OR cpe:/a:cisco:adaptive_security_appliance_software:8.2(2):*:*:*:*:*:*:*
  • OR cpe:/a:cisco:adaptive_security_appliance_software:8.2(3):*:*:*:*:*:*:*
  • OR cpe:/a:cisco:adaptive_security_appliance_software:8.2(3.9):*:*:*:*:*:*:*
  • OR cpe:/a:cisco:adaptive_security_appliance_software:8.2(4):*:*:*:*:*:*:*
  • OR cpe:/a:cisco:adaptive_security_appliance_software:8.2.1:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:adaptive_security_appliance_software:8.2.2:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:adaptive_security_appliance_software:8.2.2:interim:*:*:*:*:*:*
  • OR cpe:/a:cisco:adaptive_security_appliance_software:8.2.3:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:adaptive_security_appliance_software:8.2(4.1):*:*:*:*:*:*:*
  • OR cpe:/a:cisco:adaptive_security_appliance_software:8.2(4.4):*:*:*:*:*:*:*
  • OR cpe:/a:cisco:adaptive_security_appliance_software:8.4(1):*:*:*:*:*:*:*
  • OR cpe:/a:cisco:adaptive_security_appliance_software:8.4(2):*:*:*:*:*:*:*
  • OR cpe:/a:cisco:adaptive_security_appliance_software:8.4(1.11):*:*:*:*:*:*:*
  • OR cpe:/a:cisco:adaptive_security_appliance_software:8.2(5):*:*:*:*:*:*:*
  • OR cpe:/a:cisco:adaptive_security_appliance_software:8.4:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:adaptive_security_appliance_software:8.4(2.11):*:*:*:*:*:*:*
  • OR cpe:/a:cisco:adaptive_security_appliance_software:8.2:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    cisco adaptive security appliance software 8.2
    cisco adaptive security appliance software 8.2(1)
    cisco adaptive security appliance software 8.2(2)
    cisco adaptive security appliance software 8.2(3)
    cisco adaptive security appliance software 8.2(3.9)
    cisco adaptive security appliance software 8.2(4)
    cisco adaptive security appliance software 8.2(4.1)
    cisco adaptive security appliance software 8.2(4.4)
    cisco adaptive security appliance software 8.2(5)
    cisco adaptive security appliance software 8.2.1
    cisco adaptive security appliance software 8.2.2
    cisco adaptive security appliance software 8.2.2 interim
    cisco adaptive security appliance software 8.2.3
    cisco adaptive security appliance software 8.4
    cisco adaptive security appliance software 8.4(1)
    cisco adaptive security appliance software 8.4(1.11)
    cisco adaptive security appliance software 8.4(2)
    cisco adaptive security appliance software 8.4(2.11)
    cisco 5500 series adaptive security appliance *
    cisco 5500 series adaptive security appliance *
    cisco adaptive security appliance software 8.2(1)
    cisco adaptive security appliance software 8.2(2)
    cisco adaptive security appliance software 8.2(3)
    cisco adaptive security appliance software 8.2(3.9)
    cisco adaptive security appliance software 8.2(4)
    cisco adaptive security appliance software 8.2.1
    cisco adaptive security appliance software 8.2.2
    cisco adaptive security appliance software 8.2.2 interim
    cisco adaptive security appliance software 8.2.3
    cisco adaptive security appliance software 8.2(4.1)
    cisco adaptive security appliance software 8.2(4.4)
    cisco adaptive security appliance software 8.4(1)
    cisco adaptive security appliance software 8.4(2)
    cisco adaptive security appliance software 8.4(1.11)
    cisco adaptive security appliance software 8.2(5)
    cisco adaptive security appliance software 8.4
    cisco adaptive security appliance software 8.4(2.11)
    cisco adaptive security appliance software 8.2